@article{ref1,
title="Safety in numbers? A new dimension to the bicycle helmet controversy",
journal="Injury prevention",
year="2001",
author="Komanoff, Charles",
volume="7",
number="4",
pages="343-343",
abstract="Abstract unavailable.",
language="en",
issn="1353-8047",
doi="",
url="http://dx.doi.org/"
}